Mechanical Operations Filtration rate does not depend upon the Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate None of these Pressure drop & area of filtering surface Resistance of the cake & the septum Properties of the cake & the filtrate None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 1.34 Wi 3.34 Wi 0.5 Wi Wi 1.34 Wi 3.34 Wi 0.5 Wi Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Neither A nor B Both A & B Vortexing Swirling Neither A nor B Both A & B Vortexing Swirling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Tube mill Toothed roll crusher Gyratory crusher Ball mill Tube mill Toothed roll crusher Gyratory crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ ANSWER DOWNLOAD EXAMIANS APP
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